<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Identify</title> 
</head>
<script>
	function reloadImage(){
		document.getElementById("btn").disabled=true;
		document.getElementById("identify").src='IdentifyPictureServlet?ts='+new Date().getTime();
	}
</script>
<body>
<img src="IdentifyPictureServlet" id="identify" onload="btn.disabled=false"/>
<input type=button value="change picture" onclick="reloadImage()" id="btn">
<form action="IdentifyPictureServlet" method="GET">
<input type="text" name="chinese" value="段世凯">
<input type="text" name="english" value="duanshikai">
<input type="submit" value="提交">
</form>

</body>
</html>